private org.slf4j.Logger logger;
    private String projectId;

    public Slf4jLogger(org.slf4j.Logger logger) {
        this.logger = logger;
        this.projectId = ProjectBuildLogAppender.getProjectId();
    }

    public void debug(String message) {
        setMdc();
        logger.debug(message);
    }

    public void debug(String message, Throwable throwable) {
        setMdc();

            ExceptionSummary child = handle(problem, result.getProjectId());
            if (child != null) {
                children.add(child);
            }
        }

        if (children.isEmpty()) {
            return null;
        }

        String message = System.lineSeparator()
                + "The project " + (result.getProjectId().isEmpty() ? "" : result.getProjectId() + " ")

            }
            return new ProjectBuilderResult() {
                @Nonnull
                @Override
                public String getProjectId() {
                    return res.getProjectId();
                }

                @Nonnull
                @Override
                public Optional<Path> getPomFile() {

        return "Dependency: " + ArtifactUtils.versionlessKey(dependency.getGroupId(), dependency.getArtifactId());
    }

    public Dependency getDependency() {
        return dependency;
    }

    public String getProjectId() {
        return projectId;
    }

    public File getPomFile() {
        return pomFile;
    }

    public InvalidVersionSpecificationException getCauseException() {
        return cause;
    }

        this.projectId = projectId;
    }

    public MojoFailureException getMojoFailureException() {
        return (MojoFailureException) getCause();
    }

    public String getProjectId() {
        return projectId;
    }

     * is thrown so this information is merely meant to assist the user.
     *
     * @return the identifier of the project or an empty string if not known, never {@code null}
     */
    @Nonnull
    String getProjectId();

    /**
     * Gets the POM file from which the project was built.
     *
     * @return the optional POM file
     */
    @Nonnull
    Optional<Path> getPomFile();

    /**

    }

    private ProjectBuildingException transformError(ProjectBuildingException e) {
        if (e.getCause() instanceof ModelBuildingException) {
            return new InvalidProjectModelException(e.getProjectId(), e.getMessage(), e.getPomFile());
        }

        return e;
    }

    public MavenProject build(File pom, ProjectBuilderConfiguration configuration) throws ProjectBuildingException {